Sharpshooter of One Piece World

Introduction: Sanji: People call me Blackfoot, but compared to Ivan, my kicking skills are still too immature.Jesus cloth: Although it can be aimed, single-shot, and powerful, it is considered a sniper, but it is a bit too much for you to take out the laser cannon!Vegapunk: It is said that I am a scientist who has surpassed human intelligence for 500 years. Ivan alone can make the technology of One Piece World advance for 1000 years!Warring States: If you are asked to exterminate the pirates, it would be good for you, boy, to blow up the island for me?This is a story about a traveler who has the technology from the heavens in "Dungeon and Fighter" and makes troubles in the world of Pirates.